Home
Class 12
BIOLOGY
In guinea pigs, black short hair (BBSS) ...

In guinea pigs, black short hair (BBSS) is dominant over white long hair (bbss). During a dihybrid cross, the `"F"_(2)` generation individuals with genotypes, BBSS, BbSS, BBSs and BbSs are in the ratio of:

A

`9 : 3 : 3 : 1`

B

`4 : 2 : 1 : 2`

C

`1 : 2 : 2 : 4`

D

`1 : 2 : 1 : 2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HUMAN REPRODUCTION

    GRB PUBLICATION|Exercise All Questions|439 Videos

  • MICROBES IN HUMAN WELFARE

    GRB PUBLICATION|Exercise Assertion-Reason Type Questions|49 Videos

Similar Questions

Explore conceptually related problems

3 In guinea pig, black short hair (BBSS) is dominant over white long hair (bbss). In the dihybrid cross, F_(2) genotype BBSS, BbSS,BBSs and BbSs appears in the ratio of

During a dihybrid cross with contrasting characters in F_(2) generation parenal genotypes will appear in ……….. ratio

In dihybrid cross,the phenotypic ratio of individuals in F_(2) generation is 1:1:1:1 .

In guinea pigs, black fur (B) is dominant over white fur (b) and rough four ( R ) is domiant over smooth fur ( r ) . A cross between two Guinea pigs hybrid for both traits (BbRr x BbRr) produces some offsprings that have rough, black fur and some that have somooth, black fur. The genotypes of these offsprings illustrate the genetic concept of

In guinea pigs, smooth coat (S) is dominant over rough coat (s) and black coat (B) is dominant over white coat (b). In the cross SsBb xx SsBb, how many of the offsprings will have a smooth black coat an average?

In rabbit black skin (B) is dominant over brown skin (b) and short hair (S) is dominant over long hair (s). If homozygous black-short haired male is ceossed with a homozygous brown-long haired female. All F_(1)- offspring are heterozygous black-short haired. F_(1) male crossed with F_(1) female. In F_(2) generation what is the percentage of homozyhous black-short haired offspring :-

Cross between homozygous black rough (BBRR) guinea pig and homozygous white smooth guinea pig (bbrr) produced black and rough animals in F_(1) generation. Presuming the genes to be present on different chromosomes, the percentage of F_(2) individuals which are heterozygous for both the gene pairs would be

GRB PUBLICATION-MENDELIAN INHERITANCE-Multiple Choice Questions
  1. The term heterosis was first coined by:

    Text Solution

    |

  2. The term heterosis was first used by:

    Text Solution

    |

  3. In guinea pigs, black short hair (BBSS) is dominant over white long ha...

    Text Solution

    |

  4. In a dihybrid cross between RRYY and rryy parents, the number of RrYy ...

    Text Solution

    |

  5. A dihybrid test cross-yeilding a result of 1 : 1 : 1 : 1 ratio is indi...

    Text Solution

    |

  6. When a dihybrid cross is fit into a Punnett square with 16 boxes, the ...

    Text Solution

    |

  7. A condition where a certain gene is present in only a single copy in a...

    Text Solution

    |

  8. How many types of gametes are obtained from a plant of genotype TTRr?

    Text Solution

    |

  9. In a cross between a pure tall pea plant with green pod, and a pure sh...

    Text Solution

    |

  10. In "F"(2) generation, quantitative inheritance 1 : 4 : 6 : 4 : 1 is ob...

    Text Solution

    |

  11. A character which is expressed in a hybrid is called:

    Text Solution

    |

  12. In seven pairs of contrasting characters in pea plant stydied by Mende...

    Text Solution

    |

  13. A true breeding plant producing red flowers is crossed with a pure pla...

    Text Solution

    |

  14. In Mendel's experiment how many different kinds of seeds are produced ...

    Text Solution

    |

  15. When both alleles express their effect on being present together, the ...

    Text Solution

    |

  16. In which one of the following, complementary gene interaction ratio of...

    Text Solution

    |

  17. The dominant epistasis ratio is:

    Text Solution

    |

  18. Phenotypic ratio in plant Snapdragon in "F"(2) is:

    Text Solution

    |

  19. Mendel found that reciprocal crosses yielded indentical results. From ...

    Text Solution

    |

  20. graphical representation to calculate the probability of all possible ...

    Text Solution

    |